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<head>
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    <title> 浏览器遇到script标签时，会触发页面渲染</title>
    <style>
        div {
            width: 100px;
            height: 100px;
            background: lightgreen;
        }
    </style>
</head>
<body>
    <div></div>
    <script src="js/console.js?sleep=3000"></script>
    <style>
        div {
            background: lightgrey;
        }
    </style>
    <script src="js/console.js?sleep=5000"></script>
    <link rel="stylesheet" href="css/common.css">
</body>
</html>
